Auto merge of #83901 - cjgillot:hash-attr, r=wesleywiser
Integrate attributes as part of the crate hash r? `@Aaron1011`
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commit
467253ff6a
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@ -1,6 +1,6 @@
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use self::collector::NodeCollector;
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use crate::hir::{HirOwnerData, IndexedHir};
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use crate::hir::{AttributeMap, HirOwnerData, IndexedHir};
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use crate::middle::cstore::CrateStore;
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use crate::ty::TyCtxt;
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use rustc_ast as ast;
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@ -943,14 +943,19 @@ pub(super) fn index_hir<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> &'tcx Indexe
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}
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pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh {
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let mut hcx = tcx.create_stable_hashing_context();
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let mut hir_body_nodes: Vec<_> = tcx
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.index_hir(crate_num)
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.map
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.iter_enumerated()
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.filter_map(|(def_id, hod)| {
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let def_path_hash = tcx.definitions.def_path_hash(def_id);
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let hash = hod.with_bodies.as_ref()?.hash;
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Some((def_path_hash, hash))
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let mut hasher = StableHasher::new();
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hod.with_bodies.as_ref()?.hash_stable(&mut hcx, &mut hasher);
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AttributeMap { map: &tcx.untracked_crate.attrs, prefix: def_id }
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.hash_stable(&mut hcx, &mut hasher);
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Some((def_path_hash, hasher.finish()))
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})
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.collect();
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hir_body_nodes.sort_unstable_by_key(|bn| bn.0);
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@ -980,13 +985,13 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh {
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source_file_names.sort_unstable();
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let mut hcx = tcx.create_stable_hashing_context();
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let mut stable_hasher = StableHasher::new();
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node_hashes.hash_stable(&mut hcx, &mut stable_hasher);
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upstream_crates.hash_stable(&mut hcx, &mut stable_hasher);
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source_file_names.hash_stable(&mut hcx, &mut stable_hasher);
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tcx.sess.opts.dep_tracking_hash(true).hash_stable(&mut hcx, &mut stable_hasher);
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tcx.sess.local_crate_disambiguator().to_fingerprint().hash_stable(&mut hcx, &mut stable_hasher);
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tcx.untracked_crate.non_exported_macro_attrs.hash_stable(&mut hcx, &mut stable_hasher);
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let crate_hash: Fingerprint = stable_hasher.finish();
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Svh::new(crate_hash.to_smaller_hash())
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